configure

   1 #!/bin/sh
   2 #
   3 # qemu configure script (c) 2003 Fabrice Bellard
   4 #
   5
   6 # Unset some variables known to interfere with behavior of common tools,
   7 # just as autoconf does.  Unlike autoconf, we assume that unset exists.
   8 unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH
   9
  10 # Don't allow CCACHE, if present, to use cached results of compile tests!
  11 export CCACHE_RECACHE=yes
  12
  13 # make source path absolute
  14 source_path=$(cd "$(dirname -- "$0")"; pwd)
  15
  16 if test "$PWD" = "$source_path"
  17 then
  18     echo "Using './build' as the directory for build output"
  19
  20     MARKER=build/auto-created-by-configure
  21
  22     if test -e build
  23     then
  24         if test -f $MARKER
  25         then
  26            rm -rf build
  27         else
  28             echo "ERROR: ./build dir already exists and was not previously created by configure"
  29             exit 1
  30         fi
  31     fi
  32
  33     if ! mkdir build || ! touch $MARKER
  34     then
  35         echo "ERROR: Could not create ./build directory. Check the permissions on"
  36         echo "your source directory, or try doing an out-of-tree build."
  37         exit 1
  38     fi
  39
  40     cat > GNUmakefile <<'EOF'
  41 # This file is auto-generated by configure to support in-source tree
  42 # 'make' command invocation
  43
  44 ifeq ($(MAKECMDGOALS),)
  45 recurse: all
  46 endif
  47
  48 .NOTPARALLEL: %
  49 %: force
  50         @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...'
  51         @$(MAKE) -C build -f Makefile $(MAKECMDGOALS)
  52         @if test "$(MAKECMDGOALS)" = "distclean" && \
  53             test -e build/auto-created-by-configure ; \
  54         then \
  55             rm -rf build GNUmakefile ; \
  56         fi
  57 force: ;
  58 .PHONY: force
  59 GNUmakefile: ;
  60
  61 EOF
  62     cd build
  63     exec "$source_path/configure" "$@"
  64 fi
  65
  66 # Temporary directory used for files created while
  67 # configure runs. Since it is in the build directory
  68 # we can safely blow away any previous version of it
  69 # (and we need not jump through hoops to try to delete
  70 # it when configure exits.)
  71 TMPDIR1="config-temp"
  72 rm -rf "${TMPDIR1}"
  73 if ! mkdir -p "${TMPDIR1}"; then
  74     echo "ERROR: failed to create temporary directory"
  75     exit 1
  76 fi
  77
  78 TMPB="qemu-conf"
  79 TMPC="${TMPDIR1}/${TMPB}.c"
  80 TMPO="${TMPDIR1}/${TMPB}.o"
  81 TMPE="${TMPDIR1}/${TMPB}.exe"
  82
  83 rm -f config.log
  84
  85 # Print a helpful header at the top of config.log
  86 echo "# QEMU configure log $(date)" >> config.log
  87 printf "# Configured with:" >> config.log
  88 # repeat the invocation to log and stdout for CI
  89 invoke=$(printf " '%s'" "$0" "$@")
  90 test -n "$GITLAB_CI" && echo "configuring with: $invoke"
  91 { echo "$invoke"; echo; echo "#"; } >> config.log
  92
  93 quote_sh() {
  94     printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
  95 }
  96
  97 print_error() {
  98     (echo
  99     echo "ERROR: $1"
 100     while test -n "$2"; do
 101         echo "       $2"
 102         shift
 103     done
 104     echo) >&2
 105 }
 106
 107 error_exit() {
 108     print_error "$@"
 109     exit 1
 110 }
 111
 112 do_compiler() {
 113   # Run the compiler, capturing its output to the log. First argument
 114   # is compiler binary to execute.
 115   compiler="$1"
 116   shift
 117   if test -n "$BASH_VERSION"; then eval '
 118       echo >>config.log "
 119 funcs: ${FUNCNAME[*]}
 120 lines: ${BASH_LINENO[*]}"
 121   '; fi
 122   echo $compiler "$@" >> config.log
 123   $compiler "$@" >> config.log 2>&1 || return $?
 124 }
 125
 126 do_cc() {
 127     do_compiler "$cc" $CPU_CFLAGS "$@"
 128 }
 129
 130 compile_object() {
 131   local_cflags="$1"
 132   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC
 133 }
 134
 135 compile_prog() {
 136   local_cflags="$1"
 137   local_ldflags="$2"
 138   do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \
 139       $LDFLAGS $EXTRA_LDFLAGS $local_ldflags
 140 }
 141
 142 # symbolically link $1 to $2.  Portable version of "ln -sf".
 143 symlink() {
 144   rm -rf "$2"
 145   mkdir -p "$(dirname "$2")"
 146   ln -s "$1" "$2"
 147 }
 148
 149 # check whether a command is available to this shell (may be either an
 150 # executable or a builtin)
 151 has() {
 152     type "$1" >/dev/null 2>&1
 153 }
 154
 155 version_ge () {
 156     local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ')
 157     local_ver2=$(echo "$2" | tr . ' ')
 158     while true; do
 159         set x $local_ver1
 160         local_first=${2-0}
 161         # 'shift 2' if $2 is set, or 'shift' if $2 is not set
 162         shift ${2:+2}
 163         local_ver1=$*
 164         set x $local_ver2
 165         # the second argument finished, the first must be greater or equal
 166         test $# = 1 && return 0
 167         test $local_first -lt $2 && return 1
 168         test $local_first -gt $2 && return 0
 169         shift ${2:+2}
 170         local_ver2=$*
 171     done
 172 }
 173
 174 if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
 175 then
 176   error_exit "main directory cannot contain spaces nor colons"
 177 fi
 178
 179 # parse CC options first; some compiler tests are used to establish
 180 # some defaults, based on the host environment
 181
 182 # default parameters
 183 container_engine="auto"
 184 cpu=""
 185 cross_compile="no"
 186 cross_prefix=""
 187 host_cc="cc"
 188 EXTRA_CFLAGS=""
 189 EXTRA_CXXFLAGS=""
 190 EXTRA_OBJCFLAGS=""
 191 EXTRA_LDFLAGS=""
 192
 193 # Default value for a variable defining feature "foo".
 194 #  * foo="no"  feature will only be used if --enable-foo arg is given
 195 #  * foo=""    feature will be searched for, and if found, will be used
 196 #              unless --disable-foo is given
 197 #  * foo="yes" this value will only be set by --enable-foo flag.
 198 #              feature will searched for,
 199 #              if not found, configure exits with error
 200 #
 201 # Always add --enable-foo and --disable-foo command line args.
 202 # Distributions want to ensure that several features are compiled in, and it
 203 # is impossible without a --enable-foo that exits if a feature is not found.
 204 default_feature=""
 205
 206 for opt do
 207   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 208   case "$opt" in
 209   --cross-prefix=*) cross_prefix="$optarg"
 210                     cross_compile="yes"
 211   ;;
 212   --cc=*) CC="$optarg"
 213   ;;
 214   --cxx=*) CXX="$optarg"
 215   ;;
 216   --objcc=*) objcc="$optarg"
 217   ;;
 218   --cpu=*) cpu="$optarg"
 219   ;;
 220   --extra-cflags=*)
 221     EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
 222     EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 223     EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 224     ;;
 225   --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
 226   ;;
 227   --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg"
 228   ;;
 229   --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg"
 230   ;;
 231   --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option"
 232   ;;
 233   --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*}
 234                       eval "cross_cc_cflags_${cc_arch}=\$optarg"
 235   ;;
 236   --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*}
 237                 eval "cross_cc_${cc_arch}=\$optarg"
 238   ;;
 239   --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option"
 240   ;;
 241   --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*}
 242                     eval "cross_prefix_${cc_arch}=\$optarg"
 243   ;;
 244   --without-default-features) default_feature="no"
 245   ;;
 246   esac
 247 done
 248
 249 default_cflags='-O2 -g'
 250 git_submodules_action="update"
 251 git="git"
 252 docs="auto"
 253 EXESUF=""
 254 prefix="/usr/local"
 255 qemu_suffix="qemu"
 256 system="yes"
 257 linux_user=""
 258 bsd_user=""
 259 plugins="$default_feature"
 260 subdirs=""
 261 ninja=""
 262 python=
 263 download="enabled"
 264 bindir="bin"
 265 skip_meson=no
 266 use_containers="yes"
 267 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
 268 gdb_arches=""
 269 werror=""
 270
 271 # Don't accept a target_list environment variable.
 272 unset target_list
 273 unset target_list_exclude
 274
 275 # The following Meson options are handled manually (still they
 276 # are included in the automatically generated help message)
 277 # because they automatically enable/disable other options
 278 tcg="auto"
 279 cfi="false"
 280
 281 # Meson has PIE as a boolean rather than enabled/disabled/auto,
 282 # and we also need to check for -static-pie before Meson runs
 283 # which requires knowing whether --static is enabled.
 284 pie=""
 285 static="no"
 286
 287 # Preferred compiler:
 288 #  ${CC} (if set)
 289 #  ${cross_prefix}gcc (if cross-prefix specified)
 290 #  system compiler
 291 if test -z "${CC}${cross_prefix}"; then
 292   cc="cc"
 293 else
 294   cc="${CC-${cross_prefix}gcc}"
 295 fi
 296
 297 if test -z "${CXX}${cross_prefix}"; then
 298   cxx="c++"
 299 else
 300   cxx="${CXX-${cross_prefix}g++}"
 301 fi
 302
 303 # Preferred ObjC compiler:
 304 # $objcc (if set, i.e. via --objcc option)
 305 # ${cross_prefix}clang (if cross-prefix specified)
 306 # clang (if available)
 307 # $cc
 308 if test -z "${objcc}${cross_prefix}"; then
 309   if has clang; then
 310     objcc=clang
 311   else
 312     objcc="$cc"
 313   fi
 314 else
 315   objcc="${objcc-${cross_prefix}clang}"
 316 fi
 317
 318 ar="${AR-${cross_prefix}ar}"
 319 as="${AS-${cross_prefix}as}"
 320 ccas="${CCAS-$cc}"
 321 objcopy="${OBJCOPY-${cross_prefix}objcopy}"
 322 ld="${LD-${cross_prefix}ld}"
 323 ranlib="${RANLIB-${cross_prefix}ranlib}"
 324 nm="${NM-${cross_prefix}nm}"
 325 smbd="$SMBD"
 326 strip="${STRIP-${cross_prefix}strip}"
 327 widl="${WIDL-${cross_prefix}widl}"
 328 windres="${WINDRES-${cross_prefix}windres}"
 329 windmc="${WINDMC-${cross_prefix}windmc}"
 330 pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}"
 331 sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
 332
 333 check_define() {
 334 cat > $TMPC <<EOF
 335 #if !defined($1)
 336 #error $1 not defined
 337 #endif
 338 int main(void) { return 0; }
 339 EOF
 340   compile_object
 341 }
 342
 343 write_c_skeleton() {
 344     cat > $TMPC <<EOF
 345 int main(void) { return 0; }
 346 EOF
 347 }
 348
 349 if check_define __linux__ ; then
 350   targetos=linux
 351 elif check_define _WIN32 ; then
 352   targetos=windows
 353 elif check_define __OpenBSD__ ; then
 354   targetos=openbsd
 355 elif check_define __sun__ ; then
 356   targetos=sunos
 357 elif check_define __HAIKU__ ; then
 358   targetos=haiku
 359 elif check_define __FreeBSD__ ; then
 360   targetos=freebsd
 361 elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then
 362   targetos=gnu/kfreebsd
 363 elif check_define __DragonFly__ ; then
 364   targetos=dragonfly
 365 elif check_define __NetBSD__; then
 366   targetos=netbsd
 367 elif check_define __APPLE__; then
 368   targetos=darwin
 369 else
 370   # This is a fatal error, but don't report it yet, because we
 371   # might be going to just print the --help text, or it might
 372   # be the result of a missing compiler.
 373   targetos=bogus
 374 fi
 375
 376 # OS specific
 377
 378 case $targetos in
 379 windows)
 380   plugins="no"
 381   pie="no"
 382 ;;
 383 haiku)
 384   pie="no"
 385 ;;
 386 esac
 387
 388 if test ! -z "$cpu" ; then
 389   # command line argument
 390   :
 391 elif check_define __i386__ ; then
 392   cpu="i386"
 393 elif check_define __x86_64__ ; then
 394   if check_define __ILP32__ ; then
 395     cpu="x32"
 396   else
 397     cpu="x86_64"
 398   fi
 399 elif check_define __sparc__ ; then
 400   if check_define __arch64__ ; then
 401     cpu="sparc64"
 402   else
 403     cpu="sparc"
 404   fi
 405 elif check_define _ARCH_PPC ; then
 406   if check_define _ARCH_PPC64 ; then
 407     if check_define _LITTLE_ENDIAN ; then
 408       cpu="ppc64le"
 409     else
 410       cpu="ppc64"
 411     fi
 412   else
 413     cpu="ppc"
 414   fi
 415 elif check_define __mips__ ; then
 416   cpu="mips"
 417 elif check_define __s390__ ; then
 418   if check_define __s390x__ ; then
 419     cpu="s390x"
 420   else
 421     cpu="s390"
 422   fi
 423 elif check_define __riscv ; then
 424   if check_define _LP64 ; then
 425     cpu="riscv64"
 426   else
 427     cpu="riscv32"
 428   fi
 429 elif check_define __arm__ ; then
 430   cpu="arm"
 431 elif check_define __aarch64__ ; then
 432   cpu="aarch64"
 433 elif check_define __loongarch64 ; then
 434   cpu="loongarch64"
 435 else
 436   # Using uname is really broken, but it is just a fallback for architectures
 437   # that are going to use TCI anyway
 438   cpu=$(uname -m)
 439   echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
 440 fi
 441
 442 # Normalise host CPU name to the values used by Meson cross files and in source
 443 # directories, and set multilib cflags.  The canonicalization isn't really
 444 # necessary, because the architectures that we check for should not hit the
 445 # 'uname -m' case, but better safe than sorry in case --cpu= is used.
 446 #
 447 # Note that this case should only have supported host CPUs, not guests.
 448 # Please keep it sorted and synchronized with meson.build's host_arch.
 449 host_arch=
 450 linux_arch=
 451 case "$cpu" in
 452   aarch64)
 453     host_arch=aarch64
 454     linux_arch=arm64
 455     ;;
 456
 457   armv*b|armv*l|arm)
 458     cpu=arm
 459     host_arch=arm
 460     linux_arch=arm
 461     ;;
 462
 463   i386|i486|i586|i686)
 464     cpu="i386"
 465     host_arch=i386
 466     linux_arch=x86
 467     CPU_CFLAGS="-m32"
 468     ;;
 469
 470   loongarch*)
 471     cpu=loongarch64
 472     host_arch=loongarch64
 473     ;;
 474
 475   mips64*)
 476     cpu=mips64
 477     host_arch=mips
 478     linux_arch=mips
 479     ;;
 480   mips*)
 481     cpu=mips
 482     host_arch=mips
 483     linux_arch=mips
 484     ;;
 485
 486   ppc)
 487     host_arch=ppc
 488     linux_arch=powerpc
 489     CPU_CFLAGS="-m32"
 490     ;;
 491   ppc64)
 492     host_arch=ppc64
 493     linux_arch=powerpc
 494     CPU_CFLAGS="-m64 -mbig-endian"
 495     ;;
 496   ppc64le)
 497     cpu=ppc64
 498     host_arch=ppc64
 499     linux_arch=powerpc
 500     CPU_CFLAGS="-m64 -mlittle-endian"
 501     ;;
 502
 503   riscv32 | riscv64)
 504     host_arch=riscv
 505     linux_arch=riscv
 506     ;;
 507
 508   s390)
 509     linux_arch=s390
 510     CPU_CFLAGS="-m31"
 511     ;;
 512   s390x)
 513     host_arch=s390x
 514     linux_arch=s390
 515     CPU_CFLAGS="-m64"
 516     ;;
 517
 518   sparc|sun4[cdmuv])
 519     cpu=sparc
 520     CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
 521     ;;
 522   sparc64)
 523     host_arch=sparc64
 524     CPU_CFLAGS="-m64 -mcpu=ultrasparc"
 525     ;;
 526
 527   x32)
 528     cpu="x86_64"
 529     host_arch=x86_64
 530     linux_arch=x86
 531     CPU_CFLAGS="-mx32"
 532     ;;
 533   x86_64|amd64)
 534     cpu="x86_64"
 535     host_arch=x86_64
 536     linux_arch=x86
 537     # ??? Only extremely old AMD cpus do not have cmpxchg16b.
 538     # If we truly care, we should simply detect this case at
 539     # runtime and generate the fallback to serial emulation.
 540     CPU_CFLAGS="-m64 -mcx16"
 541     ;;
 542 esac
 543
 544 if test -n "$host_arch" && {
 545     ! test -d "$source_path/linux-user/include/host/$host_arch" ||
 546     ! test -d "$source_path/common-user/host/$host_arch"; }; then
 547     error_exit "linux-user/include/host/$host_arch does not exist." \
 548        "This is a bug in the configure script, please report it."
 549 fi
 550 if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then
 551     error_exit "linux-headers/asm-$linux_arch does not exist." \
 552        "This is a bug in the configure script, please report it."
 553 fi
 554
 555 check_py_version() {
 556     # We require python >= 3.8.
 557     # NB: a True python conditional creates a non-zero return code (Failure)
 558     "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))'
 559 }
 560
 561 first_python=
 562 if test -z "${PYTHON}"; then
 563     # A bare 'python' is traditionally python 2.x, but some distros
 564     # have it as python 3.x, so check in both places.
 565     for binary in python3 python python3.12 python3.11 \
 566                           python3.10 python3.9 python3.8; do
 567         if has "$binary"; then
 568             python=$(command -v "$binary")
 569             if check_py_version "$python"; then
 570                 # This one is good.
 571                 first_python=
 572                 break
 573             else
 574                 first_python=$python
 575             fi
 576         fi
 577     done
 578 else
 579     # Same as above, but only check the environment variable.
 580     has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
 581     python=$(command -v "$PYTHON")
 582     if check_py_version "$python"; then
 583         # This one is good.
 584         first_python=
 585     else
 586         first_python=$first_python
 587     fi
 588 fi
 589
 590 # Check for ancillary tools used in testing
 591 genisoimage=
 592 for binary in genisoimage mkisofs
 593 do
 594     if has $binary
 595     then
 596         genisoimage=$(command -v "$binary")
 597         break
 598     fi
 599 done
 600
 601 if test "$targetos" = "windows" ; then
 602   EXESUF=".exe"
 603   prefix="/qemu"
 604   bindir=""
 605   qemu_suffix=""
 606 fi
 607
 608 meson_option_build_array() {
 609   printf '['
 610   (if test "$targetos" = windows; then
 611     IFS=\;
 612   else
 613     IFS=:
 614   fi
 615   for e in $1; do
 616     printf '"""'
 617     # backslash escape any '\' and '"' characters
 618     printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g'
 619     printf '""",'
 620   done)
 621   printf ']\n'
 622 }
 623
 624 . "$source_path/scripts/meson-buildoptions.sh"
 625
 626 meson_options=
 627 meson_option_add() {
 628   local arg
 629   for arg; do
 630     meson_options="$meson_options $(quote_sh "$arg")"
 631   done
 632 }
 633 meson_option_parse() {
 634   meson_options="$meson_options $(_meson_option_parse "$@")"
 635   if test $? -eq 1; then
 636     echo "ERROR: unknown option $1"
 637     echo "Try '$0 --help' for more information"
 638     exit 1
 639   fi
 640 }
 641
 642 for opt do
 643   optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
 644   case "$opt" in
 645   --help|-h) show_help=yes
 646   ;;
 647   --version|-V) exec cat "$source_path/VERSION"
 648   ;;
 649   --prefix=*) prefix="$optarg"
 650   ;;
 651   --cross-prefix=*)
 652   ;;
 653   --cc=*)
 654   ;;
 655   --host-cc=*) host_cc="$optarg"
 656   ;;
 657   --cxx=*)
 658   ;;
 659   --objcc=*)
 660   ;;
 661   --make=*)
 662   ;;
 663   --install=*)
 664   ;;
 665   --python=*) python="$optarg"
 666   ;;
 667   --skip-meson) skip_meson=yes
 668   ;;
 669   --ninja=*) ninja="$optarg"
 670   ;;
 671   --smbd=*) smbd="$optarg"
 672   ;;
 673   --extra-cflags=*)
 674   ;;
 675   --extra-cxxflags=*)
 676   ;;
 677   --extra-objcflags=*)
 678   ;;
 679   --extra-ldflags=*)
 680   ;;
 681   --cross-cc-*)
 682   ;;
 683   --cross-prefix-*)
 684   ;;
 685   --enable-docs) docs=enabled
 686   ;;
 687   --disable-docs) docs=disabled
 688   ;;
 689   --cpu=*)
 690   ;;
 691   --target-list=*) target_list="$optarg"
 692                    if test "$target_list_exclude"; then
 693                        error_exit "Can't mix --target-list with --target-list-exclude"
 694                    fi
 695   ;;
 696   --target-list-exclude=*) target_list_exclude="$optarg"
 697                    if test "$target_list"; then
 698                        error_exit "Can't mix --target-list-exclude with --target-list"
 699                    fi
 700   ;;
 701   --with-default-devices) meson_option_add -Ddefault_devices=true
 702   ;;
 703   --without-default-devices) meson_option_add -Ddefault_devices=false
 704   ;;
 705   --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
 706   ;;
 707   --with-devices-*) device_arch=${opt#--with-devices-};
 708                     device_arch=${device_arch%%=*}
 709                     cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
 710                     if test -f "$cf"; then
 711                         device_archs="$device_archs $device_arch"
 712                         eval "devices_${device_arch}=\$optarg"
 713                     else
 714                         error_exit "File $cf does not exist"
 715                     fi
 716   ;;
 717   --without-default-features) # processed above
 718   ;;
 719   --static) static="yes"
 720   ;;
 721   --bindir=*) bindir="$optarg"
 722   ;;
 723   --with-suffix=*) qemu_suffix="$optarg"
 724   ;;
 725   --host=*|--build=*|\
 726   --disable-dependency-tracking|\
 727   --sbindir=*|--sharedstatedir=*|\
 728   --oldincludedir=*|--datarootdir=*|--infodir=*|\
 729   --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
 730     # These switches are silently ignored, for compatibility with
 731     # autoconf-generated configure scripts. This allows QEMU's
 732     # configure to be used by RPM and similar macros that set
 733     # lots of directory switches by default.
 734   ;;
 735   --enable-debug)
 736       # Enable debugging options that aren't excessively noisy
 737       meson_option_parse --enable-debug-tcg ""
 738       meson_option_parse --enable-debug-graph-lock ""
 739       meson_option_parse --enable-debug-mutex ""
 740       meson_option_add -Doptimization=0
 741       default_cflags='-O0 -g'
 742   ;;
 743   --disable-tcg) tcg="disabled"
 744                  plugins="no"
 745   ;;
 746   --enable-tcg) tcg="enabled"
 747   ;;
 748   --disable-system) system="no"
 749   ;;
 750   --enable-system) system="yes"
 751   ;;
 752   --disable-user)
 753       linux_user="no" ;
 754       bsd_user="no" ;
 755   ;;
 756   --enable-user) ;;
 757   --disable-linux-user) linux_user="no"
 758   ;;
 759   --enable-linux-user) linux_user="yes"
 760   ;;
 761   --disable-bsd-user) bsd_user="no"
 762   ;;
 763   --enable-bsd-user) bsd_user="yes"
 764   ;;
 765   --enable-pie) pie="yes"
 766   ;;
 767   --disable-pie) pie="no"
 768   ;;
 769   --enable-werror) werror="yes"
 770   ;;
 771   --disable-werror) werror="no"
 772   ;;
 773   --enable-cfi) cfi=true
 774   ;;
 775   --disable-cfi) cfi=false
 776   ;;
 777   --disable-download) download="disabled"; git_submodules_action=validate;
 778   ;;
 779   --enable-download) download="enabled"; git_submodules_action=update;
 780   ;;
 781   --enable-plugins) if test "$targetos" = "windows"; then
 782                         error_exit "TCG plugins not currently supported on Windows platforms"
 783                     else
 784                         plugins="yes"
 785                     fi
 786   ;;
 787   --disable-plugins) plugins="no"
 788   ;;
 789   --enable-containers) use_containers="yes"
 790   ;;
 791   --disable-containers) use_containers="no"
 792   ;;
 793   --container-engine=*) container_engine="$optarg"
 794   ;;
 795   --gdb=*) gdb_bin="$optarg"
 796   ;;
 797   # everything else has the same name in configure and meson
 798   --*) meson_option_parse "$opt" "$optarg"
 799   ;;
 800   # Pass through -Dxxxx options to meson
 801   -D*) meson_options="$meson_options $opt"
 802   ;;
 803   esac
 804 done
 805
 806 if ! test -e "$source_path/.git"
 807 then
 808     git_submodules_action="validate"
 809 fi
 810
 811 # test for any invalid configuration combinations
 812 if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
 813     error_exit "Can't enable plugins on non-TCG builds"
 814 fi
 815
 816 if ! test -f "$source_path/subprojects/keycodemapdb/README" \
 817     && test "$download" = disabled
 818 then
 819     echo
 820     echo "ERROR: missing subprojects"
 821     echo
 822     if test -e "$source_path/.git"; then
 823         echo "--disable-download specified but subprojects were not"
 824         echo 'checked out.  Please invoke "meson subprojects download"'
 825         echo "before configuring QEMU, or remove --disable-download"
 826         echo "from the command line."
 827     else
 828         echo "This is not a GIT checkout but subproject content appears to"
 829         echo "be missing. Do not use 'git archive' or GitHub download links"
 830         echo "to acquire QEMU source archives. Non-GIT builds are only"
 831         echo "supported with source archives linked from:"
 832         echo
 833         echo "  https://www.qemu.org/download/#source"
 834         echo
 835         echo "Developers working with GIT can use scripts/archive-source.sh"
 836         echo "if they need to create valid source archives."
 837     fi
 838     echo
 839     exit 1
 840 fi
 841
 842 default_target_list=""
 843 mak_wilds=""
 844
 845 if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then
 846     if [ "$linux_user" != no ]; then
 847         if [ "$targetos" = linux ]; then
 848             linux_user=yes
 849         elif [ "$linux_user" = yes ]; then
 850             error_exit "linux-user not supported on this architecture"
 851         fi
 852         if [ "$linux_user" = "yes" ]; then
 853             mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
 854         fi
 855     fi
 856     if [ "$bsd_user" != no ]; then
 857         if [ "$bsd_user" = "" ]; then
 858             test $targetos = freebsd && bsd_user=yes
 859         fi
 860         if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then
 861             error_exit "bsd-user not supported on this host OS"
 862         fi
 863         if [ "$bsd_user" = "yes" ]; then
 864             mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 865         fi
 866     fi
 867 else
 868     if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then
 869         error_exit "user mode emulation not supported on this architecture"
 870     fi
 871 fi
 872 if [ "$system" = "yes" ]; then
 873     mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak"
 874 fi
 875
 876 for config in $mak_wilds; do
 877     target="$(basename "$config" .mak)"
 878     if echo "$target_list_exclude" | grep -vq "$target"; then
 879         default_target_list="${default_target_list} $target"
 880     fi
 881 done
 882
 883 if test x"$show_help" = x"yes" ; then
 884 cat << EOF
 885
 886 Usage: configure [options]
 887 Options: [defaults in brackets after descriptions]
 888
 889 Standard options:
 890   --help                   print this message
 891   --prefix=PREFIX          install in PREFIX [$prefix]
 892   --target-list=LIST       set target list (default: build all)
 893 $(echo Available targets: $default_target_list | \
 894   fold -s -w 53 | sed -e 's/^/                           /')
 895   --target-list-exclude=LIST exclude a set of targets from the default target-list
 896
 897 Advanced options (experts only):
 898   -Dmesonoptname=val       passthrough option to meson unmodified
 899   --cross-prefix=PREFIX    use PREFIX for compile tools, PREFIX can be blank [$cross_prefix]
 900   --cc=CC                  use C compiler CC [$cc]
 901   --host-cc=CC             when cross compiling, use C compiler CC for code run
 902                            at build time [$host_cc]
 903   --cxx=CXX                use C++ compiler CXX [$cxx]
 904   --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
 905   --extra-cflags=CFLAGS    append extra C compiler flags CFLAGS
 906   --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS
 907   --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS
 908   --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
 909   --cross-cc-ARCH=CC       use compiler when building ARCH guest test cases
 910   --cross-cc-cflags-ARCH=  use compiler flags when building ARCH guest tests
 911   --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases
 912   --python=PYTHON          use specified python [$python]
 913   --ninja=NINJA            use specified ninja [$ninja]
 914   --smbd=SMBD              use specified smbd [$smbd]
 915   --static                 enable static build [$static]
 916   --bindir=PATH            install binaries in PATH
 917   --with-suffix=SUFFIX     suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix]
 918   --without-default-features default all --enable-* options to "disabled"
 919   --without-default-devices  do not include any device that is not needed to
 920                            start the emulator (only use if you are including
 921                            desired devices in configs/devices/)
 922   --with-devices-ARCH=NAME override default configs/devices
 923   --enable-debug           enable common debug build options
 924   --disable-werror         disable compilation abort on warning
 925   --cpu=CPU                Build for host CPU [$cpu]
 926   --enable-plugins
 927                            enable plugins via shared library loading
 928   --disable-containers     don't use containers for cross-building
 929   --container-engine=TYPE  which container engine to use [$container_engine]
 930   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
 931 EOF
 932   meson_options_help
 933 cat << EOF
 934   system          all system emulation targets
 935   user            supported user emulation targets
 936   linux-user      all linux usermode emulation targets
 937   bsd-user        all BSD usermode emulation targets
 938   pie             Position Independent Executables
 939
 940 NOTE: The object files are built at the place where configure is launched
 941 EOF
 942 exit 0
 943 fi
 944
 945 # Remove old dependency files to make sure that they get properly regenerated
 946 rm -f ./*/config-devices.mak.d
 947
 948 if test -z "$python"
 949 then
 950     # If first_python is set, there was a binary somewhere even though
 951     # it was not suitable.  Use it for the error message.
 952     if test -n "$first_python"; then
 953         error_exit "Cannot use '$first_python', Python >= 3.8 is required." \
 954             "Use --python=/path/to/python to specify a supported Python."
 955     else
 956         error_exit "Python not found. Use --python=/path/to/python"
 957     fi
 958 fi
 959
 960 if ! check_py_version "$python"; then
 961   error_exit "Cannot use '$python', Python >= 3.8 is required." \
 962              "Use --python=/path/to/python to specify a supported Python." \
 963              "Maybe try:" \
 964              "  openSUSE Leap 15.3+: zypper install python39" \
 965              "  CentOS 8: dnf install python38"
 966 fi
 967
 968 # Resolve PATH
 969 python="$(command -v "$python")"
 970
 971 # Create a Python virtual environment using our configured python.
 972 # The stdout of this script will be the location of a symlink that
 973 # points to the configured Python.
 974 # Entry point scripts for pip, meson, and sphinx are generated if those
 975 # packages are present.
 976
 977 # Defaults assumed for now:
 978 # - venv is cleared if it exists already;
 979 # - venv is allowed to use system packages;
 980 # - all setup can be performed offline;
 981 # - missing packages may be fetched from PyPI,
 982 #   unless --disable-download is passed.
 983 # - pip is not installed into the venv when possible,
 984 #   but ensurepip is called as a fallback when necessary.
 985
 986 echo "python determined to be '$python'"
 987 echo "python version: $($python --version)"
 988
 989 python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)"
 990 if test "$?" -ne 0 ; then
 991     error_exit "python venv creation failed"
 992 fi
 993
 994 # Suppress writing compiled files
 995 python="$python -B"
 996 mkvenv="$python ${source_path}/python/scripts/mkvenv.py"
 997
 998 # Finish preparing the virtual environment using vendored .whl files
 999
1000 if $python -c 'import sys; sys.exit(sys.version_info >= (3,11))'; then
1001     $mkvenv ensure --dir "${source_path}/python/wheels" \
1002         'tomli>=1.2.0' || exit 1
1003 fi
1004 $mkvenv ensuregroup --dir "${source_path}/python/wheels" \
1005      ${source_path}/pythondeps.toml meson || exit 1
1006
1007 # At this point, we expect Meson to be installed and available.
1008 # We expect mkvenv or pip to have created pyvenv/bin/meson for us.
1009 # We ignore PATH completely here: we want to use the venv's Meson
1010 # *exclusively*.
1011
1012 meson="$(cd pyvenv/bin; pwd)/meson"
1013
1014 # Conditionally ensure Sphinx is installed.
1015
1016 mkvenv_flags=""
1017 if test "$download" = "enabled" -a "$docs" = "enabled" ; then
1018     mkvenv_flags="--online"
1019 fi
1020
1021 if test "$docs" != "disabled" ; then
1022     if ! $mkvenv ensuregroup \
1023          $mkvenv_flags \
1024          ${source_path}/pythondeps.toml docs;
1025     then
1026         if test "$docs" = "enabled" ; then
1027             exit 1
1028         fi
1029         echo "Sphinx not found/usable, disabling docs."
1030         docs=disabled
1031     else
1032         docs=enabled
1033     fi
1034 fi
1035
1036 # Probe for ninja
1037
1038 if test -z "$ninja"; then
1039     for c in ninja ninja-build samu; do
1040         if has $c; then
1041             ninja=$(command -v "$c")
1042             break
1043         fi
1044     done
1045     if test -z "$ninja"; then
1046       error_exit "Cannot find Ninja"
1047     fi
1048 fi
1049
1050 # Consult white-list to determine whether to enable werror
1051 # by default.  Only enable by default for git builds
1052 if test -z "$werror" ; then
1053     if test -e "$source_path/.git" && \
1054         { test "$targetos" = linux || test "$targetos" = "windows"; }; then
1055         werror="yes"
1056     else
1057         werror="no"
1058     fi
1059 fi
1060
1061 if test "$targetos" = "bogus"; then
1062     # Now that we know that we're not printing the help and that
1063     # the compiler works (so the results of the check_defines we used
1064     # to identify the OS are reliable), if we didn't recognize the
1065     # host OS we should stop now.
1066     error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')"
1067 fi
1068
1069 if test "$static" = "yes" ; then
1070   if test "$plugins" = "yes"; then
1071     error_exit "static and plugins are mutually incompatible"
1072   else
1073     plugins="no"
1074   fi
1075 fi
1076 test "$plugins" = "" && plugins=yes
1077 if test "$plugins" = "yes"; then
1078   subdirs="$subdirs contrib/plugins"
1079 fi
1080
1081 cat > $TMPC << EOF
1082
1083 #ifdef __linux__
1084 #  define THREAD __thread
1085 #else
1086 #  define THREAD
1087 #endif
1088 static THREAD int tls_var;
1089 int main(void) { return tls_var; }
1090 EOF
1091
1092 if test "$static" = "yes"; then
1093   if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
1094     pie="yes"
1095   elif test "$pie" = "yes"; then
1096     error_exit "-static-pie not available due to missing toolchain support"
1097   else
1098     pie="no"
1099   fi
1100 elif test "$pie" != "no"; then
1101   if compile_prog "-Werror -fPIE -DPIE" "-pie"; then
1102     pie="yes"
1103   elif test "$pie" = "yes"; then
1104     error_exit "PIE not available due to missing toolchain support"
1105   else
1106     echo "Disabling PIE due to missing toolchain support"
1107     pie="no"
1108   fi
1109 fi
1110
1111 ##########################################
1112
1113 if test -z "${target_list+xxx}" ; then
1114     default_targets=yes
1115     for target in $default_target_list; do
1116         target_list="$target_list $target"
1117     done
1118     target_list="${target_list# }"
1119 else
1120     default_targets=no
1121     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1122     for target in $target_list; do
1123         # Check that we recognised the target name; this allows a more
1124         # friendly error message than if we let it fall through.
1125         case " $default_target_list " in
1126             *" $target "*)
1127                 ;;
1128             *)
1129                 error_exit "Unknown target name '$target'"
1130                 ;;
1131         esac
1132     done
1133 fi
1134
1135 if test "$tcg" = "auto"; then
1136   if test -z "$target_list"; then
1137     tcg="disabled"
1138   else
1139     tcg="enabled"
1140   fi
1141 fi
1142
1143 ##########################################
1144 # big/little endian test
1145 cat > $TMPC << EOF
1146 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1147 # error LITTLE
1148 #endif
1149 int main(void) { return 0; }
1150 EOF
1151
1152 if ! compile_prog ; then
1153   bigendian="no"
1154 else
1155   cat > $TMPC << EOF
1156 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1157 # error BIG
1158 #endif
1159 int main(void) { return 0; }
1160 EOF
1161
1162   if ! compile_prog ; then
1163     bigendian="yes"
1164   else
1165     echo big/little test failed
1166     exit 1
1167   fi
1168 fi
1169
1170 ##########################################
1171 # functions to probe cross compilers
1172
1173 container="no"
1174 runc=""
1175 if test $use_containers = "yes" && (has "docker" || has "podman"); then
1176     case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in
1177         *docker) container=docker ;;
1178         podman) container=podman ;;
1179         no) container=no ;;
1180     esac
1181     if test "$container" != "no"; then
1182         docker_py="$python $source_path/tests/docker/docker.py --engine $container"
1183         runc=$container
1184     fi
1185 fi
1186
1187 # cross compilers defaults, can be overridden with --cross-cc-ARCH
1188 : ${cross_prefix_aarch64="aarch64-linux-gnu-"}
1189 : ${cross_prefix_aarch64_be="$cross_prefix_aarch64"}
1190 : ${cross_prefix_alpha="alpha-linux-gnu-"}
1191 : ${cross_prefix_arm="arm-linux-gnueabihf-"}
1192 : ${cross_prefix_armeb="$cross_prefix_arm"}
1193 : ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"}
1194 : ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"}
1195 : ${cross_prefix_hppa="hppa-linux-gnu-"}
1196 : ${cross_prefix_i386="i686-linux-gnu-"}
1197 : ${cross_prefix_m68k="m68k-linux-gnu-"}
1198 : ${cross_prefix_microblaze="microblaze-linux-musl-"}
1199 : ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"}
1200 : ${cross_prefix_mips64="mips64-linux-gnuabi64-"}
1201 : ${cross_prefix_mipsel="mipsel-linux-gnu-"}
1202 : ${cross_prefix_mips="mips-linux-gnu-"}
1203 : ${cross_prefix_nios2="nios2-linux-gnu-"}
1204 : ${cross_prefix_ppc="powerpc-linux-gnu-"}
1205 : ${cross_prefix_ppc64="powerpc64-linux-gnu-"}
1206 : ${cross_prefix_ppc64le="$cross_prefix_ppc64"}
1207 : ${cross_prefix_riscv64="riscv64-linux-gnu-"}
1208 : ${cross_prefix_s390x="s390x-linux-gnu-"}
1209 : ${cross_prefix_sh4="sh4-linux-gnu-"}
1210 : ${cross_prefix_sparc64="sparc64-linux-gnu-"}
1211 : ${cross_prefix_sparc="$cross_prefix_sparc64"}
1212 : ${cross_prefix_tricore="tricore-"}
1213 : ${cross_prefix_x86_64="x86_64-linux-gnu-"}
1214
1215 : ${cross_cc_aarch64_be="$cross_cc_aarch64"}
1216 : ${cross_cc_cflags_aarch64_be="-mbig-endian"}
1217 : ${cross_cc_armeb="$cross_cc_arm"}
1218 : ${cross_cc_cflags_armeb="-mbig-endian"}
1219 : ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"}
1220 : ${cross_cc_cflags_hexagon="-mv73 -O2 -static"}
1221 : ${cross_cc_cflags_i386="-m32"}
1222 : ${cross_cc_cflags_ppc="-m32 -mbig-endian"}
1223 : ${cross_cc_cflags_ppc64="-m64 -mbig-endian"}
1224 : ${cross_cc_ppc64le="$cross_cc_ppc64"}
1225 : ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"}
1226 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
1227 : ${cross_cc_sparc="$cross_cc_sparc64"}
1228 : ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
1229 : ${cross_cc_cflags_x86_64="-m64"}
1230
1231 compute_target_variable() {
1232   eval "$2="
1233   if eval test -n "\"\${cross_prefix_$1}\""; then
1234     if eval has "\"\${cross_prefix_$1}\$3\""; then
1235       eval "$2=\"\${cross_prefix_$1}\$3\""
1236     fi
1237   fi
1238 }
1239
1240 have_target() {
1241   for i; do
1242     case " $target_list " in
1243       *" $i "*) return 0;;
1244       *) ;;
1245     esac
1246   done
1247   return 1
1248 }
1249
1250 # probe_target_compiler TARGET
1251 #
1252 # Look for a compiler for the given target, either native or cross.
1253 # Set variables target_* if a compiler is found, and container_cross_*
1254 # if a Docker-based cross-compiler image is known for the target.
1255 # Set got_cross_cc to yes/no depending on whether a non-container-based
1256 # compiler was found.
1257 #
1258 # If TARGET is a user-mode emulation target, also set build_static to
1259 # "y" if static linking is possible.
1260 #
1261 probe_target_compiler() {
1262   # reset all output variables
1263   got_cross_cc=no
1264   container_image=
1265   container_hosts=
1266   container_cross_cc=
1267   container_cross_ar=
1268   container_cross_as=
1269   container_cross_ld=
1270   container_cross_nm=
1271   container_cross_objcopy=
1272   container_cross_ranlib=
1273   container_cross_strip=
1274
1275   target_arch=${1%%-*}
1276   case $target_arch in
1277     aarch64) container_hosts="x86_64 aarch64" ;;
1278     alpha) container_hosts=x86_64 ;;
1279     arm) container_hosts="x86_64 aarch64" ;;
1280     cris) container_hosts=x86_64 ;;
1281     hexagon) container_hosts=x86_64 ;;
1282     hppa) container_hosts=x86_64 ;;
1283     i386) container_hosts=x86_64 ;;
1284     loongarch64) container_hosts=x86_64 ;;
1285     m68k) container_hosts=x86_64 ;;
1286     microblaze) container_hosts=x86_64 ;;
1287     mips64el) container_hosts=x86_64 ;;
1288     mips64) container_hosts=x86_64 ;;
1289     mipsel) container_hosts=x86_64 ;;
1290     mips) container_hosts=x86_64 ;;
1291     nios2) container_hosts=x86_64 ;;
1292     ppc) container_hosts=x86_64 ;;
1293     ppc64|ppc64le) container_hosts=x86_64 ;;
1294     riscv64) container_hosts=x86_64 ;;
1295     s390x) container_hosts=x86_64 ;;
1296     sh4) container_hosts=x86_64 ;;
1297     sparc64) container_hosts=x86_64 ;;
1298     tricore) container_hosts=x86_64 ;;
1299     x86_64) container_hosts="aarch64 ppc64le x86_64" ;;
1300     xtensa*) container_hosts=x86_64 ;;
1301   esac
1302
1303   for host in $container_hosts; do
1304     test "$container" != no || continue
1305     test "$host" = "$cpu" || continue
1306     case $target_arch in
1307       aarch64)
1308         # We don't have any bigendian build tools so we only use this for AArch64
1309         container_image=debian-arm64-cross
1310         container_cross_prefix=aarch64-linux-gnu-
1311         container_cross_cc=${container_cross_prefix}gcc
1312         ;;
1313       alpha)
1314         container_image=debian-alpha-cross
1315         container_cross_prefix=alpha-linux-gnu-
1316         ;;
1317       arm)
1318         # We don't have any bigendian build tools so we only use this for ARM
1319         container_image=debian-armhf-cross
1320         container_cross_prefix=arm-linux-gnueabihf-
1321         ;;
1322       cris)
1323         container_image=fedora-cris-cross
1324         container_cross_prefix=cris-linux-gnu-
1325         ;;
1326       hexagon)
1327         container_image=debian-hexagon-cross
1328         container_cross_prefix=hexagon-unknown-linux-musl-
1329         container_cross_cc=${container_cross_prefix}clang
1330         ;;
1331       hppa)
1332         container_image=debian-hppa-cross
1333         container_cross_prefix=hppa-linux-gnu-
1334         ;;
1335       i386)
1336         container_image=fedora-i386-cross
1337         container_cross_prefix=
1338         ;;
1339       loongarch64)
1340         container_image=debian-loongarch-cross
1341         container_cross_prefix=loongarch64-unknown-linux-gnu-
1342         ;;
1343       m68k)
1344         container_image=debian-m68k-cross
1345         container_cross_prefix=m68k-linux-gnu-
1346         ;;
1347       microblaze)
1348         container_image=debian-microblaze-cross
1349         container_cross_prefix=microblaze-linux-musl-
1350         ;;
1351       mips64el)
1352         container_image=debian-mips64el-cross
1353         container_cross_prefix=mips64el-linux-gnuabi64-
1354         ;;
1355       mips64)
1356         container_image=debian-mips64-cross
1357         container_cross_prefix=mips64-linux-gnuabi64-
1358         ;;
1359       mipsel)
1360         container_image=debian-mipsel-cross
1361         container_cross_prefix=mipsel-linux-gnu-
1362         ;;
1363       mips)
1364         container_image=debian-mips-cross
1365         container_cross_prefix=mips-linux-gnu-
1366         ;;
1367       nios2)
1368         container_image=debian-nios2-cross
1369         container_cross_prefix=nios2-linux-gnu-
1370         ;;
1371       ppc)
1372         container_image=debian-powerpc-test-cross
1373         container_cross_prefix=powerpc-linux-gnu-
1374         container_cross_cc=${container_cross_prefix}gcc
1375         ;;
1376       ppc64|ppc64le)
1377         container_image=debian-powerpc-test-cross
1378         container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu-
1379         container_cross_cc=${container_cross_prefix}gcc-10
1380         ;;
1381       riscv64)
1382         container_image=debian-riscv64-test-cross
1383         container_cross_prefix=riscv64-linux-gnu-
1384         ;;
1385       s390x)
1386         container_image=debian-s390x-cross
1387         container_cross_prefix=s390x-linux-gnu-
1388         ;;
1389       sh4)
1390         container_image=debian-sh4-cross
1391         container_cross_prefix=sh4-linux-gnu-
1392         ;;
1393       sparc64)
1394         container_image=debian-sparc64-cross
1395         container_cross_prefix=sparc64-linux-gnu-
1396         ;;
1397       tricore)
1398         container_image=debian-tricore-cross
1399         container_cross_prefix=tricore-
1400         ;;
1401       x86_64)
1402         container_image=debian-amd64-cross
1403         container_cross_prefix=x86_64-linux-gnu-
1404         ;;
1405       xtensa*)
1406         container_image=debian-xtensa-cross
1407
1408         # default to the dc232b cpu
1409         container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf-
1410         ;;
1411     esac
1412     : ${container_cross_cc:=${container_cross_prefix}gcc}
1413     : ${container_cross_ar:=${container_cross_prefix}ar}
1414     : ${container_cross_as:=${container_cross_prefix}as}
1415     : ${container_cross_ld:=${container_cross_prefix}ld}
1416     : ${container_cross_nm:=${container_cross_prefix}nm}
1417     : ${container_cross_objcopy:=${container_cross_prefix}objcopy}
1418     : ${container_cross_ranlib:=${container_cross_prefix}ranlib}
1419     : ${container_cross_strip:=${container_cross_prefix}strip}
1420   done
1421
1422   try=cross
1423   case "$target_arch:$cpu" in
1424     aarch64_be:aarch64 | \
1425     armeb:arm | \
1426     i386:x86_64 | \
1427     mips*:mips64 | \
1428     ppc*:ppc64 | \
1429     sparc:sparc64 | \
1430     "$cpu:$cpu")
1431       try='native cross' ;;
1432   esac
1433   eval "target_cflags=\${cross_cc_cflags_$target_arch}"
1434   for thistry in $try; do
1435     case $thistry in
1436     native)
1437       target_cc=$cc
1438       target_ccas=$ccas
1439       target_ar=$ar
1440       target_as=$as
1441       target_ld=$ld
1442       target_nm=$nm
1443       target_objcopy=$objcopy
1444       target_ranlib=$ranlib
1445       target_strip=$strip
1446       ;;
1447     cross)
1448       target_cc=
1449       if eval test -n "\"\${cross_cc_$target_arch}\""; then
1450         if eval has "\"\${cross_cc_$target_arch}\""; then
1451           eval "target_cc=\"\${cross_cc_$target_arch}\""
1452         fi
1453       else
1454         compute_target_variable $target_arch target_cc gcc
1455       fi
1456       target_ccas=$target_cc
1457       compute_target_variable $target_arch target_ar ar
1458       compute_target_variable $target_arch target_as as
1459       compute_target_variable $target_arch target_ld ld
1460       compute_target_variable $target_arch target_nm nm
1461       compute_target_variable $target_arch target_objcopy objcopy
1462       compute_target_variable $target_arch target_ranlib ranlib
1463       compute_target_variable $target_arch target_strip strip
1464       ;;
1465     esac
1466
1467     if test -n "$target_cc"; then
1468       case $target_arch in
1469         i386|x86_64)
1470           if $target_cc --version | grep -qi "clang"; then
1471             continue
1472           fi
1473           ;;
1474       esac
1475     elif test -n "$target_as" && test -n "$target_ld"; then
1476       # Special handling for assembler only targets
1477       case $target in
1478         tricore-softmmu)
1479           build_static=
1480           got_cross_cc=yes
1481           break
1482           ;;
1483         *)
1484           continue
1485           ;;
1486       esac
1487     else
1488       continue
1489     fi
1490
1491     write_c_skeleton
1492     case $1 in
1493       *-softmmu)
1494         if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC &&
1495           do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then
1496           got_cross_cc=yes
1497           break
1498         fi
1499         ;;
1500       *)
1501         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then
1502           build_static=y
1503           got_cross_cc=yes
1504           break
1505         fi
1506         if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then
1507           build_static=
1508           got_cross_cc=yes
1509           break
1510         fi
1511         ;;
1512     esac
1513   done
1514   if test $got_cross_cc != yes; then
1515     build_static=
1516     target_cc=
1517     target_ccas=
1518     target_ar=
1519     target_as=
1520     target_ld=
1521     target_nm=
1522     target_objcopy=
1523     target_ranlib=
1524     target_strip=
1525   fi
1526   test -n "$target_cc"
1527 }
1528
1529 write_target_makefile() {
1530   echo "EXTRA_CFLAGS=$target_cflags"
1531   if test -z "$target_cc" && test -z "$target_as"; then
1532     test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?"
1533     echo "$1: docker-image-$container_image" >> Makefile.prereqs
1534     if test -n "$container_cross_cc"; then
1535       echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1536       echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --"
1537     fi
1538     echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --"
1539     echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --"
1540     echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --"
1541     echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --"
1542     echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --"
1543     echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --"
1544     echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --"
1545   else
1546     if test -n "$target_cc"; then
1547       echo "CC=$target_cc"
1548       echo "CCAS=$target_ccas"
1549     fi
1550     if test -n "$target_ar"; then
1551       echo "AR=$target_ar"
1552     fi
1553     if test -n "$target_as"; then
1554       echo "AS=$target_as"
1555     fi
1556     if test -n "$target_ld"; then
1557       echo "LD=$target_ld"
1558     fi
1559     if test -n "$target_nm"; then
1560       echo "NM=$target_nm"
1561     fi
1562     if test -n "$target_objcopy"; then
1563       echo "OBJCOPY=$target_objcopy"
1564     fi
1565     if test -n "$target_ranlib"; then
1566       echo "RANLIB=$target_ranlib"
1567     fi
1568     if test -n "$target_strip"; then
1569       echo "STRIP=$target_strip"
1570     fi
1571   fi
1572 }
1573
1574 #######################################
1575 # cross-compiled firmware targets
1576
1577 # Set up build tree symlinks that point back into the source tree
1578 # (these can be both files and directories).
1579 # Caution: avoid adding files or directories here using wildcards. This
1580 # will result in problems later if a new file matching the wildcard is
1581 # added to the source tree -- nothing will cause configure to be rerun
1582 # so the build tree will be missing the link back to the new file, and
1583 # tests might fail. Prefer to keep the relevant files in their own
1584 # directory and symlink the directory instead.
1585 LINKS="Makefile"
1586 LINKS="$LINKS docs/config"
1587 LINKS="$LINKS pc-bios/optionrom/Makefile"
1588 LINKS="$LINKS pc-bios/s390-ccw/Makefile"
1589 LINKS="$LINKS pc-bios/vof/Makefile"
1590 LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit
1591 LINKS="$LINKS tests/avocado tests/data"
1592 LINKS="$LINKS tests/qemu-iotests/check"
1593 LINKS="$LINKS python"
1594 LINKS="$LINKS contrib/plugins/Makefile "
1595 for f in $LINKS ; do
1596     if [ -e "$source_path/$f" ]; then
1597         symlink "$source_path/$f" "$f"
1598     fi
1599 done
1600
1601 echo "# Automatically generated by configure - do not modify" > Makefile.prereqs
1602
1603 # Mac OS X ships with a broken assembler
1604 if have_target i386-softmmu x86_64-softmmu && \
1605         test "$targetos" != "darwin" && test "$targetos" != "sunos" && \
1606         test "$targetos" != "haiku" && \
1607         probe_target_compiler i386-softmmu; then
1608     subdirs="$subdirs pc-bios/optionrom"
1609     config_mak=pc-bios/optionrom/config.mak
1610     echo "# Automatically generated by configure - do not modify" > $config_mak
1611     echo "TOPSRC_DIR=$source_path" >> $config_mak
1612     write_target_makefile >> $config_mak
1613 fi
1614
1615 if have_target ppc-softmmu ppc64-softmmu && \
1616         probe_target_compiler ppc-softmmu; then
1617     subdirs="$subdirs pc-bios/vof"
1618     config_mak=pc-bios/vof/config.mak
1619     echo "# Automatically generated by configure - do not modify" > $config_mak
1620     echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak
1621     write_target_makefile >> $config_mak
1622 fi
1623
1624 # Only build s390-ccw bios if the compiler has -march=z900 or -march=z10
1625 # (which is the lowest architecture level that Clang supports)
1626 if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \
1627     GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then
1628   write_c_skeleton
1629   do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC
1630   has_z900=$?
1631   if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then
1632     if [ $has_z900 != 0 ]; then
1633       echo "WARNING: Your compiler does not support the z900!"
1634       echo "         The s390-ccw bios will only work with guest CPUs >= z10."
1635     fi
1636     subdirs="$subdirs pc-bios/s390-ccw"
1637     config_mak=pc-bios/s390-ccw/config-host.mak
1638     echo "# Automatically generated by configure - do not modify" > $config_mak
1639     echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak
1640     echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak
1641     write_target_makefile >> $config_mak
1642   fi
1643 fi
1644
1645 #######################################
1646 # generate config-host.mak
1647
1648 config_host_mak="config-host.mak"
1649
1650 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1651 echo >> $config_host_mak
1652
1653 echo all: >> $config_host_mak
1654
1655 if test "$targetos" = "windows"; then
1656   echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
1657   echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
1658   echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
1659 fi
1660
1661 echo "SRC_PATH=$source_path" >> $config_host_mak
1662 echo "TARGET_DIRS=$target_list" >> $config_host_mak
1663
1664 if test -n "$gdb_bin"; then
1665     gdb_version=$($gdb_bin --version | head -n 1)
1666     if version_ge ${gdb_version##* } 9.1; then
1667         echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1668         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
1669     else
1670         gdb_bin=""
1671     fi
1672 fi
1673
1674 if test "$container" != no; then
1675     echo "RUNC=$runc" >> $config_host_mak
1676 fi
1677 echo "SUBDIRS=$subdirs" >> $config_host_mak
1678 echo "PYTHON=$python" >> $config_host_mak
1679 echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
1680 echo "MESON=$meson" >> $config_host_mak
1681 echo "NINJA=$ninja" >> $config_host_mak
1682 echo "EXESUF=$EXESUF" >> $config_host_mak
1683
1684 # use included Linux headers for KVM architectures
1685 if test "$targetos" = "linux" && test -n "$linux_arch"; then
1686   symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
1687 fi
1688
1689 for target in $target_list; do
1690     target_dir="$target"
1691     target_name=$(echo $target | cut -d '-' -f 1)$EXESUF
1692     case $target in
1693         *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
1694         *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
1695     esac
1696 done
1697
1698 if test "$default_targets" = "yes"; then
1699   echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
1700 fi
1701
1702 # contrib/plugins configuration
1703 echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
1704 echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak
1705 echo "PKG_CONFIG=${pkg_config}" >> contrib/plugins/$config_host_mak
1706 echo "CC=$cc $CPU_CFLAGS" >> contrib/plugins/$config_host_mak
1707 echo "CFLAGS=${CFLAGS-$default_cflags} $EXTRA_CFLAGS" >> contrib/plugins/$config_host_mak
1708 if test "$targetos" = darwin; then
1709   echo "CONFIG_DARWIN=y" >> contrib/plugins/$config_host_mak
1710 fi
1711
1712 # tests/tcg configuration
1713 (config_host_mak=tests/tcg/config-host.mak
1714 mkdir -p tests/tcg
1715 echo "# Automatically generated by configure - do not modify" > $config_host_mak
1716 echo "SRC_PATH=$source_path" >> $config_host_mak
1717
1718 # versioned checked in the main config_host.mak above
1719 if test -n "$gdb_bin"; then
1720     echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
1721 fi
1722 if test "$plugins" = "yes" ; then
1723     echo "CONFIG_PLUGIN=y" >> $config_host_mak
1724 fi
1725
1726 tcg_tests_targets=
1727 for target in $target_list; do
1728   arch=${target%%-*}
1729
1730   case $target in
1731     xtensa*-linux-user)
1732       # the toolchain is not complete with headers, only build system tests
1733       continue
1734       ;;
1735     *-softmmu)
1736       test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue
1737       qemu="qemu-system-$arch"
1738       ;;
1739     *-linux-user|*-bsd-user)
1740       qemu="qemu-$arch"
1741       ;;
1742   esac
1743
1744   if probe_target_compiler $target || test -n "$container_image"; then
1745       test -n "$container_image" && build_static=y
1746       mkdir -p "tests/tcg/$target"
1747       config_target_mak=tests/tcg/$target/config-target.mak
1748       ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile"
1749       echo "# Automatically generated by configure - do not modify" > "$config_target_mak"
1750       echo "TARGET_NAME=$arch" >> "$config_target_mak"
1751       echo "TARGET=$target" >> "$config_target_mak"
1752       write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
1753       echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
1754       echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
1755
1756       # will GDB work with these binaries?
1757       if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
1758           echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
1759       fi
1760
1761       echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
1762       tcg_tests_targets="$tcg_tests_targets $target"
1763   fi
1764 done
1765
1766 if test "$tcg" = "enabled"; then
1767     echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
1768 fi
1769 )
1770
1771 if test "$skip_meson" = no; then
1772   cross="config-meson.cross.new"
1773   meson_quote() {
1774     test $# = 0 && return
1775     echo "'$(echo $* | sed "s/ /','/g")'"
1776   }
1777
1778   echo "# Automatically generated by configure - do not modify" > $cross
1779   echo "[properties]" >> $cross
1780
1781   # unroll any custom device configs
1782   for a in $device_archs; do
1783       eval "c=\$devices_${a}"
1784       echo "${a}-softmmu = '$c'" >> $cross
1785   done
1786
1787   echo "[built-in options]" >> $cross
1788   echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross
1789   echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross
1790   test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross
1791   echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross
1792   echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross
1793   echo "[binaries]" >> $cross
1794   echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross
1795   test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross
1796   test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross
1797   echo "ar = [$(meson_quote $ar)]" >> $cross
1798   echo "nm = [$(meson_quote $nm)]" >> $cross
1799   echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross
1800   echo "ranlib = [$(meson_quote $ranlib)]" >> $cross
1801   if has $sdl2_config; then
1802     echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross
1803   fi
1804   echo "strip = [$(meson_quote $strip)]" >> $cross
1805   echo "widl = [$(meson_quote $widl)]" >> $cross
1806   echo "windres = [$(meson_quote $windres)]" >> $cross
1807   echo "windmc = [$(meson_quote $windmc)]" >> $cross
1808   if test "$cross_compile" = "yes"; then
1809     echo "[host_machine]" >> $cross
1810     echo "system = '$targetos'" >> $cross
1811     case "$cpu" in
1812         i386)
1813             echo "cpu_family = 'x86'" >> $cross
1814             ;;
1815         *)
1816             echo "cpu_family = '$cpu'" >> $cross
1817             ;;
1818     esac
1819     echo "cpu = '$cpu'" >> $cross
1820     if test "$bigendian" = "yes" ; then
1821         echo "endian = 'big'" >> $cross
1822     else
1823         echo "endian = 'little'" >> $cross
1824     fi
1825     cross_arg="--cross-file config-meson.cross"
1826
1827     native="config-meson.native.new"
1828     echo "# Automatically generated by configure - do not modify" > $native
1829     echo "[binaries]" >> $native
1830     echo "c = [$(meson_quote $host_cc)]" >> $native
1831     mv $native config-meson.native
1832     cross_arg="$cross_arg --native-file config-meson.native"
1833   else
1834     cross_arg="--native-file config-meson.cross"
1835   fi
1836   mv $cross config-meson.cross
1837
1838   rm -rf meson-private meson-info meson-logs
1839
1840   # Built-in options
1841   test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload"
1842   test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir"
1843   test "$default_feature" = no && meson_option_add -Dauto_features=disabled
1844   test "$static" = yes && meson_option_add -Dprefer_static=true
1845   test "$pie" = no && meson_option_add -Db_pie=false
1846   test "$werror" = yes && meson_option_add -Dwerror=true
1847
1848   # QEMU options
1849   test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi"
1850   test "$docs" != auto && meson_option_add "-Ddocs=$docs"
1851   test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE"
1852   test "$plugins" = yes && meson_option_add "-Dplugins=true"
1853   test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix"
1854   test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd"
1855   test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg"
1856   run_meson() {
1857     NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path"
1858   }
1859   eval run_meson $meson_options
1860   if test "$?" -ne 0 ; then
1861       error_exit "meson setup failed"
1862   fi
1863   echo "$meson" > build.ninja.stamp
1864 else
1865   if test -f meson-private/cmd_line.txt; then
1866     # Adjust old command line options that were removed
1867     # sed -i is not portable
1868     perl -i -ne '
1869       /^sphinx_build/ && next;
1870       print;' meson-private/cmd_line.txt
1871   fi
1872 fi
1873
1874 # Save the configure command line for later reuse.
1875 cat <<EOD >config.status
1876 #!/bin/sh
1877 # Generated by configure.
1878 # Run this file to recreate the current configuration.
1879 # Compiler output produced by configure, useful for debugging
1880 # configure, is in config.log if it exists.
1881 EOD
1882
1883 preserve_env() {
1884     envname=$1
1885
1886     eval envval=\$$envname
1887
1888     if test -n "$envval"
1889     then
1890         echo "$envname='$envval'" >> config.status
1891         echo "export $envname" >> config.status
1892     else
1893         echo "unset $envname" >> config.status
1894     fi
1895 }
1896
1897 # Preserve various env variables that influence what
1898 # features/build target configure will detect
1899 preserve_env AR
1900 preserve_env AS
1901 preserve_env CC
1902 preserve_env CFLAGS
1903 preserve_env CXX
1904 preserve_env CXXFLAGS
1905 preserve_env LD
1906 preserve_env LDFLAGS
1907 preserve_env LD_LIBRARY_PATH
1908 preserve_env NM
1909 preserve_env OBJCFLAGS
1910 preserve_env OBJCOPY
1911 preserve_env PATH
1912 preserve_env PKG_CONFIG
1913 preserve_env PKG_CONFIG_LIBDIR
1914 preserve_env PKG_CONFIG_PATH
1915 preserve_env PYTHON
1916 preserve_env QEMU_GA_MANUFACTURER
1917 preserve_env QEMU_GA_DISTRO
1918 preserve_env QEMU_GA_VERSION
1919 preserve_env SDL2_CONFIG
1920 preserve_env SMBD
1921 preserve_env STRIP
1922 preserve_env WIDL
1923 preserve_env WINDRES
1924 preserve_env WINDMC
1925
1926 printf "exec" >>config.status
1927 for i in "$0" "$@"; do
1928   test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status
1929 done
1930 echo ' "$@"' >>config.status
1931 chmod +x config.status
1932
1933 rm -r "$TMPDIR1"